﻿using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo6_1_2
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Debugger.Break();
            int a = 10;
            int b = 11;
            int c = 12;
            int f = 13;
        }
    }
}
